If you tell me you are having with your Vivo Y55s, I can provide more targeted troubleshooting . If you'd like, I can help you: Find the latest TWRP version for the Snapdragon 425.
If you still want to proceed, this is the high-risk workflow. Failure to do so will permanently kill your cellular radio. vivo 1610 custom rom work
Swipe the bottom slider confirm sequence to clean old OS architecture traces. 2. Sideload or Move Firmware Files If you tell me you are having with
Ensure the phone has at least 70% battery power to prevent it from shutting off mid-process. vivo 1610 custom rom work